Home / 13,940.81-19,237.74-7,653.32

Finding the Fourth Proportional to 13,940.81, 19,237.74 and 7,653.32

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Solution

The fourth proportional to 13,940.81, 19,237.74 and 7,653.32 is: 10,561.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,940.81 : 19,237.74 = 7,653.32 : x
  2. Step 2: Convert to fraction form
    13,940.81/19,237.74 = 7,653.32/x
  3. Step 3: Cross multiply
    13,940.81x = 19,237.74 × 7,653.32
  4. Step 4: Simplify right side
    13,940.81x = 147,232,580.30
  5. Step 5: Solve for x
    x = 147,232,580.30/13,940.81
  6. Step 6: Final answer
    x = 10,561.26

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.